Chiranji Nagarani

I've been pursuing my graduation . And im very much interested in content writing and article writing. And I love to explore.

Student at University college of engineering and technology for women

Studied at Model high school

Certified in Line follower robot workshop

Program to search an element in an array using pointers (linear search).

This programs explains to search any required element from an array using pointers concept.

What is c?

C language was developed in the year 1972 by Dennis Ritchie.

Program to print name and address.

This program helps in printing the name and address of a particular person.

Structure: three main files.

Two hidden files are MS-DOS-SYS and IOSYS.

Types of algorithms.

Sequence algorithm , repeatative algorithm, are the types of algorithms.

The essential properties of an algorithm.

Simple, definiteness, finiteness, input/output ,generality , effectiveness.

Internal commands and external commands of DOS

For example date,time,version,volume are the internal commands

Time sharing operating systems

Time sharing OS is nothing but many users at different terminals can access the same computer system at the same time. It gives the quick response. It avoids the duplication of software. It reduces the CPU idle time. The main disadvantages of time sharing OS is the problem . Question of security and integrity of users programs and data. And also the problem of data communication. The main objective of time sharing OS is to minimize the response time.

Client-server computing system

Clients requests a resource and the server provides that resource . A server may have many clients but one client should be in contact with only one server. There are many advantages of client operating system . All the required data is concentrated in a single place. I.e, the sever . It is easy to replace ,upgrade,relocate the nodes in the client server model. Here network acts as an intermediate between the client and server.

Distributed operating system

Here we have several types of operating systems. We previously studied about client server operating system. And now let us know about distributed operating system. It is also a software which is a collection of independent, networked,communicating and physically separate computational nodes. This distributed operating system handles many jobs provided by the CPU. Here it includes different software systems as well as kernel and also network which is the interface.

Real time operating system

This real time operating systems are used to serve the real time applications through a software. It is a time bound operating system. Here in this type , the processing must be finished within the allotted time or within the defined constraints otherwise the system will fail. These are either event driven OS or time sharing OS . We already know that event driven systems processes the tasks based on their priority where as time sharing are the time slot is allotted for every process meanwhile. This real time OS has two interfaces man-machine interface and instrumentation interface. Here in real time OS we have an advanced algorithm for scheduling the processes.

Clustered operating system

This clustered systems is similar to the multi processing systems. These systems gather the multiple cous to complete the given tasks. But this clustered systems are differ from the multi processing systems. This clustered systems share the storage and linked via local area network (LAN) . Here from the mentioned diagram we can know about the clustered systems briefly. That all the cous of different systems are collected and it also represents that it shares the storage area . If any one system or cou fails ,even though , the service will continue.